{"id":12990,"date":"2018-01-30T22:36:59","date_gmt":"2018-01-31T06:36:59","guid":{"rendered":"https:\/\/www.jinmei.org\/blog\/?p=12990"},"modified":"2018-01-30T22:36:59","modified_gmt":"2018-01-31T06:36:59","slug":"%e3%83%9c%e3%83%bc%e3%83%8a%e3%82%b9%e3%81%ae%e5%a4%a9%e5%bc%95%e3%81%8d%e7%8e%87%e3%81%a8%e6%9c%80%e9%81%a9401k%e6%8b%a0%e5%87%ba%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e3%81%ae%e8%80%83%e5%af%9f","status":"publish","type":"post","link":"https:\/\/www.jinmei.org\/blog\/2018\/01\/30\/12990","title":{"rendered":"\u30dc\u30fc\u30ca\u30b9\u306e\u5929\u5f15\u304d\u7387\u3068\u6700\u9069401(k)\u62e0\u51fa\u306b\u3064\u3044\u3066\u306e\u8003\u5bdf"},"content":{"rendered":"<p>\u3061\u3087\u3063\u3068\u5fc5\u8981(\u5f8c\u8ff0)\u306b\u8feb\u3089\u308c\u3066\u3001\u30dc\u30fc\u30ca\u30b9\u304b\u3089\u306e\u7a0e\u91d1\u30fb\u793e\u4f1a\u4fdd\u969c\u8cbb\u306e\u5929\u5f15\u304d\u984d\u3092\u7cbe\u5bc6\u306b\u898b\u7a4d\u3082\u308b\u5fc5\u8981\u304c\u3067\u305f\u306e\u3067\u8abf\u3079\u3066\u307f\u305f\u3002\u7d50\u679c\u306e\u6570\u5b57\u3060\u3051\u5148\u306b\u66f8\u3044\u3066\u304a\u304f\u3068\u3001\u30ab\u30ea\u30d5\u30a9\u30eb\u30cb\u30a2\u306e\u5834\u5408\u3067\u306f\u8fbc\u307f\u8fbc\u307f\u3067\u7d0440%\u5dee\u3057\u5f15\u304b\u308c\u308b\u3002<br \/>\n<!--more--><br \/>\n\u5929\u5f15\u304d(withholding)\u306e\u8a08\u7b97\u306b\u304a\u3044\u3066\u3001\u30dc\u30fc\u30ca\u30b9\u306f&#8221;supplemental wage&#8221;\u3068\u547c\u3070\u308c\u3066\u3044\u308b(\u305f\u3068\u3048\u3070IRS Pub 15\u306e<a href=\"https:\/\/www.irs.gov\/publications\/p15#en_US_2017_publink1000202352\">Supplemental Wages<\/a>\u306e\u9805\u53c2\u7167)\u3002Supplemental wage\u306b\u5bfe\u3059\u308bfederal income tax\u306e\u5929\u5f15\u304d(withholding)\u306f\u3001<a href=\"https:\/\/www.irs.gov\/irb\/2016-40_IRB\/ar08.html\">IRS\u306e\u51fa\u3057\u305f\u6700\u65b0\u306eNotice<\/a>\u306b\u3088\u308c\u3070\u4e00\u5f8b\u304b\u3064\u5b9a\u7387\u306e22%(Pub 15\u306b\u306f\u3053\u308c\u4ee5\u5916\u306e\u65b9\u6cd5\u3082\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u7b46\u8005\u306e\u52e4\u3081\u5148\u306f\u3053\u306e\u5b9a\u7387\u65b9\u5f0f\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u3088\u3046\u3060)\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001\u901a\u5e38\u306f\u3053\u306e\u5929\u5f15\u304d\u7387\u306f\u4e0a\u8a18Pub 15\u306b\u8a18\u8f09\u3055\u308c\u3066\u304a\u308a\u30012017\u5e74\u306f25%\u3060\u3063\u305f\u3002\u30c8\u30e9\u30f3\u30d7\u6e1b\u7a0e\u306e\u7d50\u679c\u3001\u5168\u822c\u7684\u306b\u5929\u5f15\u304d\u7387\u306f\u4e0b\u304c\u3063\u3066\u3044\u308b\u3088\u3046\u3060\u3002\u305f\u3060\u3057\u3001\u3068\u304f\u306b\u30ab\u30ea\u30d5\u30a9\u30eb\u30cb\u30a2\u306e\u3088\u3046\u306b\u5dde\u6240\u5f97\u7a0e\u304c\u9ad8\u3044\u3068\u3053\u308d\u3067\u306f\u3001\u3042\u308b\u7a0b\u5ea6\u4ee5\u4e0a\u306e\u6240\u5f97\u306e\u3042\u308b\u4eba\u306b\u306f\u5dde\u7a0e\u63a7\u9664\u306e\u5236\u9650\u304c\u5897\u7a0e\u306b\u50cd\u304f\u306e\u3067\u3001\u6700\u7d42\u7684\u306b\u6e1b\u7a0e\u306b\u306a\u308b\u304b\u306f\u5225\u9014\u6b63\u78ba\u306b\u8a08\u7b97\u3057\u3066\u307f\u306a\u3044\u3068\u306a\u3093\u3068\u3082\u3044\u3048\u306a\u3044\u3002<\/p>\n<p>Supplemental wage\u306b\u5bfe\u3059\u308bCA income tax\u306e\u5929\u5f15\u304d\u7387\u306f\u3001<a href=\"http:\/\/www.edd.ca.gov\/pdf_pub_ctr\/de231ps.pdf\">\u5dde\u653f\u5e9c\u306e\u8cc7\u6599<\/a>\u306b\u3088\u308c\u3070\u56fa\u5b9a\u306e10.23%\u3002<\/p>\n<p>\u3053\u308c\u3089income tax\u306e\u5929\u5f15\u304d\u5bfe\u8c61\u6240\u5f97\u984d\u304b\u3089\u306f\u3001401(k)\u306epre-tax\u62e0\u51fa\u5206\u306f\u9664\u304b\u308c\u308b(\u305d\u306e\u4ed6\u3001federal\u306e\u5834\u5408\u306eHSA\u306a\u3069\u3001\u4ed6\u306b\u3082\u9664\u304b\u308c\u308b\u3082\u306e\u306f\u3042\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u7b46\u8005\u81ea\u8eab\u3067\u306f\u7d4c\u9a13\u304c\u306a\u3044\u306e\u3067\u4e0d\u660e\u3067\u3042\u308b)\u3002\u4e00\u65b9\u3001\u901a\u5e38\u306e\u7d66\u4e0e\u304b\u3089\u306e\u5929\u5f15\u304d\u3068\u306f\u9055\u3044\u3001\u3053\u306e\u5b9a\u7387\u65b9\u5f0f\u3067\u306e\u8a08\u7b97\u3067\u306fexemption\u306e\u6570\u306a\u3069\u306b\u5fdc\u3058\u305f\u63a7\u9664\u306f\u306a\u3044\u3002<\/p>\n<p>Social Security\u3068Medicare\u306e\u5929\u5f15\u304d\u306f<a href=\"https:\/\/www.ssa.gov\/news\/press\/factsheets\/colafacts2018.pdf\">\u6700\u65b0\u306e\u8cc7\u6599<\/a>\u306b\u3088\u308c\u3070\u3053\u308c\u307e\u3067\u3068\u5909\u308f\u3089\u305a\u3001\u305d\u308c\u305e\u308c6.2%\u30681.45%(\u305f\u3060\u3057\u524d\u8005\u306b\u306f\u4e0a\u9650\u3042\u308a\u3001\u5f8c\u8005\u306f\u9ad8\u6240\u5f97\u8005\u306e\u5834\u5408\u306e\u52a0\u7b97\u304c\u3042\u308b)\u3002<\/p>\n<p>CA\u306eSDI\u306e\u5929\u5f15\u304d\u7387\u306f\u3001<a href=\"http:\/\/www.edd.ca.gov\/Payroll_Taxes\/Rates_and_Withholding.htm\">\u6700\u65b0\u306e\u8cc7\u6599<\/a>\u306b\u3088\u308c\u30701%\u3002\u3053\u308c\u306f\u6628\u5e74\u307e\u3067\u306e0.9%\u304b\u3089\u4e0a\u304c\u3063\u3066\u3044\u308b\u3002<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u5408\u8a08\u3059\u308b\u306840.88%\u3002\u901a\u5e38\u306e\u7d66\u6599\u306b\u3064\u3044\u3066\u3082\u307b\u307c\u540c\u69d8\u306a\u306e\u3060\u304c\u3001\u6982\u3057\u3066\u91d1\u984d\u304c\u5927\u304d\u3044\u30dc\u30fc\u30ca\u30b9\u306e\u5834\u5408\u306f\u3068\u304f\u306b\u3001\u3053\u308c\u3060\u3051\u629c\u304b\u308c\u3066\u3044\u308b\u3068\u304b\u306a\u308a\u304c\u3063\u304f\u308a\u304f\u308b\u3082\u306e\u304c\u3042\u308b(\u3082\u3061\u308d\u3093\u3001\u6700\u7d42\u7684\u306b\u78ba\u5b9a\u3059\u308b\u7a0e\u91d1\u306e\u984d\u3068\u306f\u82e5\u5e72\u9055\u3044\u306f\u3042\u308b\u306e\u3060\u304c)\u3002<\/p>\n<p>\u306a\u304a\u3001\u6b63\u78ba\u306a\u5024\u3092\u8abf\u3079\u305f\u306e\u306f\u3001\u30dc\u30fc\u30ca\u30b9\u306e\u5927\u534a\u3092after-tax 401(k)\u306b\u62e0\u51fa\u3057\u3088\u3046\u3068\u601d\u3063\u305f\u304b\u3089\u3067\u3042\u308b\u3002\u4e00\u822c\u7684\u306b\u8a00\u3048\u3070pre-tax\u3092maxout\u3059\u308b\u524d\u306bafter-tax\u306b\u62e0\u51fa\u3059\u308b\u306e\u306f\u611a\u304b\u3060\u308d\u3046\u304c\u3001<a href=\"https:\/\/www.jinmei.org\/blog\/2017\/08\/02\/12699\">\u4ee5\u524d\u306eblog<\/a>\u3067\u66f8\u3044\u305f\u3088\u3046\u306b\u3001\u73fe\u5728\u306e\u52e4\u3081\u5148\u306e\u30d7\u30e9\u30f3\u3067\u306fafter-tax\u304b\u3089\u306e\u5373\u6642in-plan Roth conversion\u304c\u8a8d\u3081\u3089\u308c\u3066\u304a\u308a\u3001after-tax\u306b\u3082\u304b\u306a\u308a\u306e\u9b45\u529b\u304c\u3042\u308b\u3002\u3082\u3057\u5e74\u306e\u9014\u4e2d\u3067(\u30af\u30d3\u307e\u305f\u306f\u81ea\u5206\u306e\u610f\u601d\u3067)\u8ee2\u8077\u3059\u308b\u3053\u3068\u306b\u306a\u3063\u305f\u5834\u5408\u3001\u65b0\u3057\u3044\u52e4\u3081\u5148\u304c\u540c\u3058\u6761\u4ef6\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u306f\u3042\u307e\u308a\u671f\u5f85\u3067\u304d\u306a\u3044\u3088\u3046\u306a\u6c17\u304c\u3059\u308b\u3002\u305d\u3053\u3067\u6bd4\u8f03\u7684\u307e\u3068\u307e\u3063\u305f\u984d\u3067\u3059\u3050\u306b\u306f\u4f7f\u3046\u5fc5\u8981\u3082\u306a\u3044\u30dc\u30fc\u30ca\u30b9\u306b\u3064\u3044\u3066\u306f\u307e\u3068\u3081\u3066after-tax\u306b\u5165\u308c\u3066\u3057\u307e\u3046\u306e\u3082\u6709\u52b9\u306a\u306e\u3067\u306f\u3068\u601d\u3063\u305f\u306e\u3067\u3042\u308b\u3002\u3053\u306e\u5834\u5408\u3001pre-tax\u306emaxout\u524d\u306b\u30af\u30d3\u306b\u306a\u308a\u3001\u305d\u306e\u5f8c\u5e74\u5185\u306b401(k)\u306e\u3042\u308b\u4f1a\u793e\u306b\u5c31\u8077\u3067\u304d\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u306e\u304c\u6700\u60aa\u306e\u30b7\u30ca\u30ea\u30aa\u3060\u304c\u3001\u8af8\u3005\u306e\u6761\u4ef6\u3092\u8003\u3048\u308b\u306b\u305d\u306e\u53ef\u80fd\u6027\u306f\u304b\u306a\u308a\u4f4e\u3044\u3060\u308d\u3046\u3057\u3001\u3053\u306e\u30b7\u30ca\u30ea\u30aa\u306e\u5834\u5408\u306f\u6240\u5f97\u3082\u4e0b\u304c\u3063\u3066pre-tax\u306e\u4fa1\u5024\u304c\u76f8\u5bfe\u7684\u306b\u4e0b\u304c\u308b\u3057\u3001\u305d\u306epre-tax\u306e\u4ee3\u308f\u308a\u306bRoth\u306b\u62e0\u51fa\u3057\u305f\u3068\u8003\u3048\u308c\u3070\u5272\u308a\u5207\u308c\u308b\u3001\u3088\u3046\u306a\u6c17\u304c\u3059\u308b\u3002<\/p>\n<p>\u3053\u3053\u3067\u3001\u5358\u306bafter-tax\u306b\u6700\u5927\u9650\u62e0\u51fa\u3059\u308b\u3053\u3068\u3060\u3051\u304c\u76ee\u7684\u306a\u3089\u3001\u5358\u306b\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u62e0\u51fa\u5148\u3092\u5909\u66f4\u3057\u3066\u62e0\u51fa\u7387\u3092\u6700\u5927\u306b\u3057\u3066\u304a\u3051\u3070\u6e08\u3080\u8a71\u3067\u3001\u5929\u5f15\u304d\u7387\u306e\u6b63\u78ba\u306a\u5024\u306a\u3069\u306f\u5fc5\u8981\u306a\u3044(\u5929\u5f15\u304d\u306e\u7d50\u679c\u6307\u5b9a\u3057\u305f\u62e0\u51fa\u7387\u306b\u5c4a\u304b\u306a\u3044\u5834\u5408\u306f\u3001\u5358\u306b\u6b8b\u308a\u306e\u91d1\u984d\u304c\u62e0\u51fa\u3055\u308c\u308b)\u3002\u3057\u304b\u3057\u3001\u3053\u3053\u3067pre-tax\u62e0\u51fa\u306b\u5bfe\u3059\u308b\u96c7\u7528\u8005\u62e0\u51fa(company 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